On 2026/1/14 15:58, zhaoyifan (H) wrote:
On 2026/1/14 15:44, Gao Xiang wrote:

we could support !im, I mean

    struct erofs_importer_params *params = im ? im->params : NULL;

Hi Xiang,

Do we have any chance `im == NULL` in current codebase? Or is it to allow for 
future extensibility?

Yes, also I wonder if we could give a better name, like

erofs_make_empty_root_inode()



      struct erofs_inode *root;
  @@ -2384,6 +2385,8 @@ struct erofs_inode *erofs_rebuild_make_root(struct 
erofs_sb_info *sbi)
          return root;
      root->i_srcpath = strdup("/");
      root->i_mode = S_IFDIR | 0777;
+    root->i_uid = im->params->fixed_uid == -1 ? getuid() : 
im->params->fixed_uid;
+    root->i_gid = im->params->fixed_gid == -1 ? getgid() : 
im->params->fixed_gid;



    root->i_uid = params && params->fixed_uid < 0 ? getuid() :
            params->fixed_uid;

will sigfault if `params == NULL`, how about

     root->i_uid = (!params || params->fixed_uid < 0) ? getuid() :
                                params->fixed_uid;

Sorry about my braino.

Thanks,
Gao Xiang



Thanks,

Yifan

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